#include<iostream>
using namespace std;
int a[1005][1005];
int s[1005][1005];
int main(){
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=m;i++){
        int x1,y1,x2,y2;
        cin>>x1>>y1>>x2>>y2;
        a[x1][y1]++;
        a[x2+1][y2+1]++;
        a[x1][y2+1]--;
        a[x2+1][y1]--;
    }
    for(int i=1;i<=n;i++,cout<<"\n"){
        for(int j=1;j<=n;j++){
            a[i][j]+=a[i-1][j]+a[i][j-1]-a[i-1][j-1];
            cout<<a[i][j]<<" ";
        }
    }
    return 0;
}